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"There's a lot of work to be done, so we'd better get crackin'"

I've often used this expression, but I have no idea what we might have been cracking, originally? Any insight?

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just a thought but could it be related to 'Craic'? –  user49184 Aug 5 '13 at 18:46
Bustin' nuts, baby –  bobobobo Jan 13 '14 at 22:30

5 Answers 5

I always though this was related to the cracking of a whip; either to make a horse run faster or to drive cattle etc.

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I think the precise origin will probably always be shrouded in mystery, but this Ngrams graph implies it derives from the earlier British usage Crack on.

I realise Ngrams will have included many spurious occurrences of both phrases (for example, references to a crack on a surface). But this 1764 usage is obviously idiomatic, so we can safely say Crack on was current by then. I can't find any explicit use of Get cracking until at least a hundred years later.

I suggest the basic metaphor being invoked is that in many contexts, a crack is the first stage of a wider split; starting a major task might imply you need to make a small dent or crack in it first. Also, of course, you can't make an omelette without breaking (cracking) eggs.

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I imagine, but have no proof, that the phrase is related to whip cracking, since whips were used to drive work forward, whether it be farm animals or slaves. –  Matt E. Эллен May 7 '11 at 15:14
@Matt: Cassell's agrees with you. –  Callithumpian May 7 '11 at 19:27

Get cracking may have originally been not much more than get to talking as seen in this clip from Passages in the Life of Mrs. Margaret Maitland, 1849 (check)


With John Boag's 1848 Popular and Complete English Dictionary having one definition of cracking to be "conversing familiarly," the last sentence of the above clip can be translated, "The children of that time couldn't have sat chatting about this around the fire."

This use of cracking is related to the phrase to crack a joke, but I'm not sure it's related to the "get to work" meaning of get cracking. Just thought this early appearance was interesting. For more theories on the modern meaning check out the thread on the phrase at Wordwizard.

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@Calithumpian: I think you're way out on a limb with that cracking/talking connection. We can surely discard the possibility that get cracking evolved separately from crack on. Bearing in mind the 1764 usage referenced in my answer, it seems unlikely that the (later?) talk/joke associations have anything to do with the usage under discussion. –  FumbleFingers May 8 '11 at 0:05
@Fumble: If the limb starts to crack, I'll get off. But I knew it was iffy, thus my "not sure it's related." But while we're on limbs, I'm not sure I see how your Ngram shows a connection to crack on when the "spurious occurances" you mention seem to be the vast majority. –  Callithumpian May 9 '11 at 2:58
@Calithumpian: The point about the Ngram is that at least some occurences of crack on are not spurious in this context. I put the link to one such, just in case anyone thought they were all irrelevant. I may have misinterpreted things, but it seems to me there's support there for saying that crack on predates get cracking. And I find it almost inconceivable that the latter didn't ultimately derive from the former. Even if there's room for debate about which really came first. –  FumbleFingers May 9 '11 at 3:11
Anyway, that limb may be cracking, but I see it sprouts anew in the form of a recent question about the origin of out on a limb. I can't help but think maybe that was inspired by our little dialogue here. –  FumbleFingers May 9 '11 at 3:13

After looking at the earliest google n-grams of usage of the phrase, (discounting the 1849 passage which clearly uses "cracking" in the sense of talking/gossiping/boasting) I had a hunch it had its origins in military jargon. A little more searching found this:

According to the Dictionary of Slang and Unconventional English:

get cracking-get mobile-get skates on-get stuck into it-get weaving. To respond (immediately to an order; to get a move on; Services’ (the 2nd, 3rd, 4th, general; the 1st orig. Army and then gen.; the 5th, RAF—see separately at weaving): since ca. 1925, except stuck (ca. 1916) and the last q.v. All usu. in the imperative. Origins: whip-cracking at the mustering of cattle; …

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It is a Crypt gang term to shoot to kill. Hip hop has made it popular because of their appeal to gangs. They inside lingo makes them secretly laugh at the ignorance of those using it in our culture so prominently today. I am a former teacher in a juvenile correctional facility and this came out in our gang training.

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Given that get cracking is at least 150 years old, I don't think this modern usage has any relevance to the origin. –  FumbleFingers Jul 9 '13 at 20:20

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